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ifas.ufl.edu/mg113
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10.1007/s00265-003-0640-1. JSTOR 25063290
31. Winston ML (1988) The impact of a tropical-evolved honey bee in temperate climates of
North America. In: Needham GR et al (eds) Africanized honey bees and bee mites. Halsted
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32. Ellis J, Ellis A (2008) African honey bee, Africanized honey bee, killer bee. Institute of Food
and Agricultural Sciences, University of Florida, USA. Publication:EENY-429 http://
entnemdept.ufl.edu/creatures/misc/bees/ahb.htm
33. Aizen MA, Garibaldi LA, Cunningham SA, Klein AM (2009) How much does agriculture
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34. Bartomeus I et al (2014) Contribution of insect pollinators to crop yield and quality varies with
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35. Calderone NW (2012) Insect pollinated crops, insect pollinators and US agriculture: trend
analysis of aggregate data for the period 1992–2009. PLoS One 7(5):e37235. https://doi.org/
10.1371/journal.pone.0037235
36. European Commission (2015) Honey bees http://ec.europa.eu/food/animals/live_animals/
bees/index_en.htm
37. U.S. White House (2014) Fact sheet: the economic challenge posed by declining pollinator
populations. https://www.whitehouse.gov/the-press-office/2014/06/20/fact-sheet-economicchallenge-posed-declining-pollinator-populations
38. U.S. Department of Agriculture, Foreign Agricultural Service (2015) Oilseeds: world markets
and trade. http://apps.fas.usda.gov/psdonline/circulars/oilseeds.pdf
39. Boland M, Brester G (2003, updated 2013) Canola profile. Iowa State University, Agricultural
Marketing Resource Center. http://www.agmrc.org/commodities__products/grains__oilseeds/
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40. Iowa State University, Agricultural Marketing Resource Center (2014) Commodity strawberries. http://www.agmrc.org/commodities__products/fruits/strawberries/commodity_straw
berries.cfm
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abundance. Science 339(6127):1608–1611. https://doi.org/10.1126/science.1230200
1 Understanding, Conservation, and Protection of Precious Natural Resources: Bees
47
Suarez AV, Weaver D, Tsutsui ND (2006) Thrice out of Africa: ancient and recent expansions
of the honey bee, Apis mellifera (PDF). Science 314(5799):642–645. https://doi.org/10.1126/
science.1132772
24. Kjøhl M, Nielsen A, Stenseth NC (2011) Potential effects of climate change on crop pollination. Pollination Services for Sustainable Agriculture. Food and Agriculture Organization of
the United Nations, Rome. isbn:978-92-5-106878-6
25. Smithsonian. Killer bees. Information Sheet Number 45. http://www.si.edu/encyclopedia_si/
nmnh/buginfo/killbee.htm
26. Hall HG, Zettel-Nalen C, Ellis JD. African honey bee: what you need to know. University of
Florida, Entomology and Nemotology Department. Fact Sheet ENY-114 (MG113) http://edis.
ifas.ufl.edu/mg113
27. United States Department of Agriculture, Agricultural Research Service (2011) Africanized
honey bees. http://www.ars.usda.gov/Research/docs.htm?docid¼11059&page¼1
28. O’Malley MK, Ellis JD, Zettel Nalen CM (2008, Revised 2015) Differences between
European and African honey bees. University of Florida, Institute of Food and Agricultural
Sciences Extension. #ENY-147. http://edis.ifas.ufl.edu/in784
29. U.S. Department of Agriculture, Agriculture Research Service (2007) More buzz about a bad
bee Africanized honey bees in the news again. AgResearch Magazine. http://agresearchmag.
ars.usda.gov/2007/feb/bees/
30. Pankiw T (2003) Directional change in a suite of foraging behaviors in tropical and temperate
evolved honey bees (Apis mellifera L). Behav Ecol Sociobiol 54(54):458–464. https://doi.org/
10.1007/s00265-003-0640-1. JSTOR 25063290
31. Winston ML (1988) The impact of a tropical-evolved honey bee in temperate climates of
North America. In: Needham GR et al (eds) Africanized honey bees and bee mites. Halsted
Press, New York, USA, pp 136–137
32. Ellis J, Ellis A (2008) African honey bee, Africanized honey bee, killer bee. Institute of Food
and Agricultural Sciences, University of Florida, USA. Publication:EENY-429 http://
entnemdept.ufl.edu/creatures/misc/bees/ahb.htm
33. Aizen MA, Garibaldi LA, Cunningham SA, Klein AM (2009) How much does agriculture
depend on pollinators? Lessons from long-term trends in crop production. Ann Bot
103:1579–1588. https://doi.org/10.1093/aob/mcp076, www.aob.oxfordjournals.org
34. Bartomeus I et al (2014) Contribution of insect pollinators to crop yield and quality varies with
agricultural intensification. PeerJ 2:e328. https://doi.org/10.7717/peerj.328
35. Calderone NW (2012) Insect pollinated crops, insect pollinators and US agriculture: trend
analysis of aggregate data for the period 1992–2009. PLoS One 7(5):e37235. https://doi.org/
10.1371/journal.pone.0037235
36. European Commission (2015) Honey bees http://ec.europa.eu/food/animals/live_animals/
bees/index_en.htm
37. U.S. White House (2014) Fact sheet: the economic challenge posed by declining pollinator
populations. https://www.whitehouse.gov/the-press-office/2014/06/20/fact-sheet-economicchallenge-posed-declining-pollinator-populations
38. U.S. Department of Agriculture, Foreign Agricultural Service (2015) Oilseeds: world markets
and trade. http://apps.fas.usda.gov/psdonline/circulars/oilseeds.pdf
39. Boland M, Brester G (2003, updated 2013) Canola profile. Iowa State University, Agricultural
Marketing Resource Center. http://www.agmrc.org/commodities__products/grains__oilseeds/
canola-profile/
40. Iowa State University, Agricultural Marketing Resource Center (2014) Commodity strawberries. http://www.agmrc.org/commodities__products/fruits/strawberries/commodity_straw
berries.cfm
41. Garibaldi LA et al (2013) Wild pollinators enhance fruit set of crops regardless of honey bee
abundance. Science 339(6127):1608–1611. https://doi.org/10.1126/science.1230200
1 Understanding, Conservation, and Protection of Precious Natural Resources: Bees
47